Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’?
include
^~~~~~~
__has_include
Main.cc: In function ‘int main()’:
Main.cc:6:5: error: ‘cin’ was not declared in this scope
cin>>l>>n>>m;
^~~
Main.cc:6:5: note: suggested alternative: ‘main’
cin>>l>>n>>m;
^~~
main
Main.cc:7:5: error: ‘printf’ was not declared in this scope
printf("%8d%8d%8d",l,n,m);
^~~~~~
Main.cc:7:5: note: suggested alternative: ‘int’
printf("%8d%8d%8d",l,n,m);
^~~~~~
int